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http://dx.doi.org/10.7735/ksmte.2017.26.4.387

Development of Constant Delivery Micro Pump in a Variable Pressure Environment for Intrathecal Drug Administration System  

Lee, Tae Gyeong (School of Mechanical Engineering, Sogang University)
Lee, Cheol Su (School of Mechanical Engineering, Sogang University)
Jung, Yu Seok (School of Mechanical Engineering, Sogang University)
Park, Gyeong Geun (School of Mechanical Engineering, Sogang University)
Publication Information
Journal of the Korean Society of Manufacturing Technology Engineers / v.26, no.4, 2017 , pp. 387-394 More about this Journal
Abstract
This paper develops a pump system for patient with chronic pain or cancer. The pump module is consists of two micro-valve and membrane. The micro-valve is operated by a solenoid. With two solenoid valves which are connected via a drug transport line, the inlet and outlet are completely blocked. A silicon rubber membrane located between the two valves makes the flow-rate constant without any backflow. This pump module can control the flow-rate of drugs by controlling the time that the valves are opened and closed. The reservoir consists of a drug chamber and a gas chamber. As the gas chamber encloses the drug chamber, propellant gas which is injected into the gas chamber pressurizes the drug chamber regardless of volume of the drug chamber. To design the pump module, analysis a constant efficiency test, and accuracy test for the pump module were conducted.
Keywords
Micro pump; Solenoid valve; Drug reservoir; Constant-flow; Drug infusion pump; Shape optimization;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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